Define vital capacity. What is its signi | Class 11 Biology Chapter Breathing and Exchange of Gasses, Breathing and Exchange of Gasses NCERT Solutions

Question: Define vital capacity. What is its significance?

Answer:

Vital capacity is the maximum volume of air that can be exhaled after a maximum inspiration. It is about 3.5 – 4.5 litres in the human body. It promotes the act of supplying fresh air and getting rid of foul air, thereby increasing the gaseous exchange between the tissues and the environment.

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Reference examples and data from the chapter when answering questions about Breathing and Exchange of Gasses.
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Comments

Shivani bajpei
2020-03-15 12:20:00

The maximum volume of air a person can breathe in after a forced expiration this includes ERV ,TV and IRV for the maximum volume of air a person can breathe out after a forced inspiration

Shruti
2019-11-17 22:18:43

Maximum amount of air that can be inhaled after a forced expiration

Aanshi jaiswal
2019-11-05 21:33:25

Significance must be in points .....or in more detailed way .... Its easy to learn ..... But its just ok okk

Aanshi jaiswal
2019-11-05 21:31:41

Significance must be in detail ....its easy to learn or be in points.... But it just ok ok

K
2019-08-16 19:29:44

I don't understand its significance.

Ghanashyambora
2018-09-21 19:52:09

Thank you sir for your answer

aasim
2018-08-03 22:10:47

Can you tell me about its bad effect

Prachi
2018-03-12 21:51:09

Good but have a doubt

Abhishek Kumar Agrahari
2017-12-15 22:59:12

It have any bad effect also

Sayee Saran
2016-06-22 17:48:42

Superb by the way....

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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 1: Define vital capacity. What is its significance?....

Define vital capacity. What is its signi | Class 11 Biology Chapter Breathing and Exchange of Gasses, Breathing and Exchange of Gasses NCERT Solutions

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